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Question:
(a) Describe how IPSec provides data source authentication.
(b) Which protocol can be used to provide limited traffic analysis confidentiality? Why is it "limited"?
(c) What is encapsulation?
(d) Considering the TCP/IP protocol suite, what is the lowest layer at which a firewall can operate?
(e) A company designs and implements software. It needs a web site to sell its products, and needs to be able to forward email from external sources (such as customers) to the developers. But it is concerned about putting systems of the developers' network onto the Internet.
The company hired a consultant, who recommended that the company design a network that included a DMZ.
a. Please explain what a DMZ is.
b. Why did the consultant recommend this?
(f) Explain how a "signature based IDS" works? What is the disadvantage of such an IDS?
Question: (a) Draw the waveform for an asynchronous transmission with the following specifications: Character "H", one even parity bit, one start bit, one stop bit, and a b
Explain TCP congestion control.
#ON A lan wher r ip datagrams transported?
Risk Identification Risk management comprises of identifying, classifying and prioritizing organization’s information assets, threats and vulnerabilities also. Risk Identificati
Question: Human telephone conversations are characterized by irregular pauses, alternating with irregular bursts of speech. In contrast, communication via computers is char
Write Pseudocode for the password guessing algorithm: Consider the following authentication protocol: Client Transmission Host
Information System Security 1. Write about: a. Potential Risks to Information Systems b. Factors to be addressed for making information systems more secure 2. Write about t
table for inverse z transform
QUESTION (a) A convex flow problem is a non linear network flow problem. Explain how a convex flow problem could be transformed into a Minimum Cost Flow problem. (b) Exp
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